Medium conveying apparatus, image reading apparatus, medium conveying method, and control program

Abstract

A medium conveying apparatus includes a conveyor to convey a medium, an interface connectable to an external device, and circuitry configured to change whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface based on a state of conveyance by the conveyor.

1 . A medium conveying apparatus, comprising:
 a conveyor to convey a medium;   an interface connectable to an external device; and   circuitry configured to change whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface based on a state of conveyance by the conveyor.   
     
     
         2 . The medium conveying apparatus according to  claim 1 , wherein the interface is connectable to the external device that controls the medium conveying apparatus or acquires information from the medium conveying apparatus. 
     
     
         3 . The medium conveying apparatus according to  claim 1 , wherein the circuitry is further configured to:
 detect connection of the external device to the interface; and   change whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface further based on a state of connection of the external device to the interface.   
     
     
         4 . The medium conveying apparatus according to  claim 1 , wherein the circuitry is further configured to receive a permission setting for changing whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface. 
     
     
         5 . The medium conveying apparatus according to  claim 1 , wherein
 the interface is connectable to a plurality of types of external devices including the external device, and   the circuitry changes whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface further based on a type of the external device connected to the interface among the plurality of types of external devices.   
     
     
         6 . The medium conveying apparatus according to  claim 1 , wherein
 the external device is an operation device that receives an operation, and   the circuitry prohibits communication with the external device via the interface or stops supplying power to the external device via the interface while the medium is being conveyed by the conveyor.   
     
     
         7 . The medium conveying apparatus according to  claim 1 , wherein
 the external device is a storage device that stores information, and   the circuitry prohibits communication with the external device via the interface or stops supplying power to the external device via the interface while the medium is being conveyed by the conveyor.   
     
     
         8 . An image reading apparatus, comprising:
 an imager to image a medium to generate an input image;   an output device to output the input image;   an interface connectable to an external device; and   circuitry configured to change whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface based on a state of imaging by the imager or a state of output by the output device.   
     
     
         9 . The image reading apparatus according to  claim 8 , wherein the interface is connectable to the external device that controls the image reading apparatus or acquires information from the image reading apparatus. 
     
     
         10 . The image reading apparatus according to  claim 8 , wherein the circuitry is further configured to:
 detect connection of the external device to the interface; and   change whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface further based on a state of connection of the external device to the interface.   
     
     
         11 . The image reading apparatus according to  claim 8 , wherein the circuitry is further configured to receive a permission setting for changing whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface. 
     
     
         12 . The image reading apparatus according to  claim 8 , wherein
 the interface is connectable to a plurality of types of external devices including the external device, and   the circuitry changes whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface further based on a type of the external device connected to the interface among the plurality of types of external devices.   
     
     
         13 . The image reading apparatus according to  claim 8 , wherein
 the external device is an operation device that receives an operation, and   the circuitry prohibits communication with the external device via the interface or stops supplying power to the external device via the interface while the medium is being imaged by the imager or while the input image is being output by the output device.   
     
     
         14 . The image reading apparatus according to  claim 8 , wherein
 the external device is a storage device that stores information, and   the circuitry prohibits communication with the external device via the interface or stops supplying power to the external device via the interface while the medium is being imaged by the imager.   
     
     
         15 . A medium conveying method, comprising:
 conveying a medium by a conveyor; and   changing whether to allow communication with an external device via an interface connectable with the external device or whether to allow supplying power to the external device via the interface based on a state of conveyance by the conveyor.   
     
     
         16 . A computer-readable, non-transitory medium storing a control program, wherein the control program causes a medium conveying apparatus including a conveyor to convey a medium and an interface connectable with an external device, to execute a process, the process comprising:
 changing whether to allow communication with the external device via the interface or whether to allow supplying power to the external device via the interface based on a state of conveyance by the conveyor.